Earthquakes of 2.5 and 3.7 magnitudes have struck the Gilroy area in Santa Clara County this morning, according to the U.S. Geological Survey.

The temblors occurred at about 1:35 a.m. and 2:05 a.m. respectively.

The smaller quake struck about 4 miles south-southeast of Gilroy and had a depth of 5.3 miles; the larger of the two – which was downgraded from a 3.9-magnitude initial reading – was about 5 miles south-southeast of Gilroy and 4.2 miles deep.

Otto Warmbier was arrested in January 2016 at the end of a brief tourist visit to North Korea. He had been medically evacuated and was being treated at the University of Cincinnati Medical Center when he died at age 22.